It costs absolutely the same amount of money to make a car look ugly as it does to make it look beautiful.
Regarding the McLaren design language:
…it’s not coming from just aesthetics. It’s very easy to design a sexy car; a dramatic looking car. That’s not what design, for me, is all about. It’s more about doing efficient design that has a reason for being.
While it can be interesting to hear the designer wax poetic about design philosophy it’s even more interesting seeing how the design comes to life:
Even better to see the product perform as designed: